<html>
  <head>
    <meta charset="utf-8" />
    <link
      rel="stylesheet"
      href="static/assets/global/plugins/bootstrap/css/bootstrap.min.css"
      type="text/css"
    />
    <link
      rel="stylesheet"
      href="static/assets/global/css/components.css"
      type="text/css"
    />
    <link
      rel="stylesheet"
      href="static/assets/admin/pages/css/login.css"
      type="text/css"
    />
    <script
      src="static/assets/global/plugins/jquery-1.11.0.min.js"
      type="text/javascript"
    ></script>
  </head>

  <body class="login">
    <div class="content">
      <h3 class="form-title">商品详情</h3>

      <div id="promoStartDateContainer" class="form-group">
        <label
          style="color: blue;"
          id="promoStatus"
          class="control-label"
        ></label>
        <div>
          <label
            style="color: red;"
            class="control-label"
            id="promoStartDate"
          />
        </div>
      </div>

      <div class="form-group">
        <div>
          <label class="control-label" id="title" />
        </div>
      </div>

      <div class="form-group">
        <label class="control-label">商品描述</label>
        <div>
          <label class="control-label" id="description" />
        </div>
      </div>

      <div id="normalPriceContainer" class="form-group">
        <label class="control-label">价格</label>
        <div>
          <label class="control-label" id="price" />
        </div>
      </div>

      <div id="promoPriceContainer" class="form-group">
        <label style="color: red;" class="control-label">活动价格</label>
        <div>
          <label style="color: red;" class="control-label" id="promoPrice" />
        </div>
      </div>

      <div class="form-group">
        <div>
          <img style="width: 300px; height: auto;" id="imgUrl" />
        </div>
      </div>

      <div class="form-group">
        <label class="control-label">库存</label>
        <div>
          <label class="control-label" id="stock" />
        </div>
      </div>

      <div class="form-group">
        <label class="control-label">销量</label>
        <div>
          <label class="control-label" id="sales" />
        </div>
      </div>

      <div class="form-actions">
        <button class="btn blue" id="createorder" type="submit">
          下单
        </button>
      </div>
    </div>
  </body>

  <script>
    function getParam(paramName) {
      (paramValue = ""), (isFound = !1);
      if (
        this.location.search.indexOf("?") == 0 &&
        this.location.search.indexOf("=") > 1
      ) {
        (arrSource = unescape(this.location.search)
          .substring(1, this.location.search.length)
          .split("&")),
          (i = 0);
        while (i < arrSource.length && !isFound)
          arrSource[i].indexOf("=") > 0 &&
            arrSource[i].split("=")[0].toLowerCase() ==
              paramName.toLowerCase() &&
            ((paramValue = arrSource[i].split("=")[1]), (isFound = !0)),
            i++;
      }
      return paramValue == "" && (paramValue = null), paramValue;
    }

    var g_itemVO = {};

    jQuery(document).ready(function () {
      //下单
      $("#createorder").on("click", function () {
        $.ajax({
          type: "POST",
          contentType: "application/x-www-form-urlencoded",
          url: "http://localhost:8080/order/createorder",
          data: {
            itemId: g_itemVO.id,
            amount: 1,
            promoId: g_itemVO.promoId,
          },
          xhrFields: { withCredentials: true },
          success: function (data) {
            if (data.status == "success") {
              alert("下单成功!");
              window.location.reload();
            } else {
              alert("下单失败，原因是" + data.data.errMsg);
              if (data.data.errCode == 20003) {
                window.location.href = "login.html";
              }
            }
          },
          error: function (data) {
            alert("下单失败，原因是" + data.responseText);
          },
        });
      });

      //获取商品详情
      $.ajax({
        type: "GET",
        contentType: "application/x-www-form-urlencoded",
        url: "http://localhost:8080/item/get",
        data: {
          id: getParam("id"),
        },
        xhrFields: { withCredentials: true },
        success: function (data) {
          if (data.status == "success") {
            g_itemVO = data.data;
            reloadDom();
            setInterval(reloadDom, 1000);
          } else {
            alert("获取信息失败，原因是" + data.data.errMsg);
          }
        },
        error: function (data) {
          alert("获取信息失败，原因是" + data.responseText);
        },
      });
    });

    function reloadDom() {
      $("#title").text(g_itemVO.title);
      $("#description").text(g_itemVO.description);
      $("#price").text(g_itemVO.price);
      $("#stock").text(g_itemVO.stock);
      $("#sales").text(g_itemVO.sales);
      $("#imgUrl").attr("src", g_itemVO.imgUrl);
      if (g_itemVO.promoStatus == 1) {
        var startTime = g_itemVO.startDate.replace(new RegExp("-", "gm"), "/");
        startTime = new Date(startTime).getTime();
        var nowTime = Date.parse(new Date());
        var delta = (startTime - nowTime) / 1000;

        if (delta <= 0) {
          g_itemVO.promoStatus = 2;
          reloadDom();
        }

        $("#promoStartDate").text(
          "活动将于： " + g_itemVO.startDate + " 开始 倒计时：" + delta + " 秒"
        );
        $("#promoPrice").text(g_itemVO.promoPrice);
        $("#createorder").attr("disabled", true);
      } else if (g_itemVO.promoStatus == 2) {
        $("#promoStartDate").text("活动正在进行中");
        $("#promoPrice").text(g_itemVO.promoPrice);

        $("#createorder").attr("disabled", false);
        $("#normalPriceContainer").hide();
      }
    }
  </script>
</html>
